No matter how many disappointments the Buffalo Bills suffer on the gridiron, there is no loss that can compare to the tragedy of losing one of their own on the battlefield.
Many professional athletes answered the call to serve in the Vietnam War, but only one professional sports team lost one of its players. When Bob Kalsu arrived in South Vietnam in November 1969, he was a newly minted second lieutenant. His first command was with the 101st Airborne at an important but remote outpost called Fire Support Base Ripcord.

Fresh from being named Buffalo’s Rookie of the Year, Kalsu was sent to Vietnam to satisfy his Reserve Officers Training Corps requirement and was looking forward to returning to his home in Oklahoma (and to the Bills) as soon as possible. He would never make it.
Fire Support Base Ripcord overlooked the A Shau Valley, a key entry point for North Vietnamese troops and supplies coming from the Ho Chi Minh Trail in neighboring Laos. It was also the site of some of the war’s heaviest fighting.
The 101st was the only full-strength division left in South Vietnam as President Richard Nixon’s “Vietnamization” policy ramped up and U.S. troops were withdrawn. American efforts in the valley were aimed at pacifying the population in the area through rural reconstruction, but first, elements of the North Vietnamese Army, or PAVN, had to be eliminated. The 101st was sent to the A Shau Valley in a planned attack on nearby PAVN forces.
But the communists hit first, in what would become one of the most fiercely fought battles of the war at the time. Ripcord sat on top of a hill 3,000 feet above sea level and was completely dependent on helicopters for resupply and extraction. It housed artillery support for two battalions of 101st Screaming Eagles engaged in anti-PAVN operations in the valley. They were also shelling the Ho Chi Minh Trail, just 13 miles away.

Kalsu, in command of an artillery battery, was creating such a pain for the PAVN troops that the North Vietnamese decided something had to be done. The Americans at Ripcord didn’t realize they were surrounded by 5,000 communist troops.
The communists began firing mortars into the firebase at a rate of an estimated 600 every day. Through it all, Kalsu was running hundreds of pounds of artillery shells to his men on the hills, acts that earned him the undying love and respect of his troops.

On July 21, 1970, the North Vietnamese fired tear gas into Ripcord, rendering its bunkers uninhabitable. Kalsu walked out of the bunker that day and into the open, at the same time a PAVN 82mm mortar was fired from the distance. It landed five feet from where he was standing.
With a sharp crack, Kalsu and some of his fellow soldiers were blown down the bunker stairs. The offensive lineman’s large frame shielded one of his men, Pfc. Nick Fotias, who survived the blast.
Two days after his death, Kalsu’s wife gave birth to their son back home in Oklahoma.
After 23 days of heavy fighting at Ripcord, the U.S. withdrew its troops and supplies; they had to fight their way out even as they evacuated the base. The Americans lost 75 soldiers and a number of helicopters in the fighting and called in the Air Force to bomb the entire area once the soldiers were safely away.
In addition to Kalsu, one former professional athlete was killed in the Vietnam War — the Cleveland Browns’ Don Steinbrunner, who had left the NFL long before the start of the war.
In 2000, the Bills recognized Kalsu’s service and sacrifice by adding his name to the Buffalo Bills Wall of Fame.

This article originally appeared on Military.com. Here’s the direct link: https://www.military.com/history/buffalo-bills-were-only-pro-sports-team-lose-active-player-vietnam.html?utm_medium=Social&utm_source=Facebook&fbclid=IwAR0CfNzxvzazdVQLaP6QBod0Yshe8jfUvO0zKDIt3xqmtwy_isH741ezgCY#Echobox=1641299230
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Thank You, for this, I had no idea
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Sports Illustrated ran a cover story on Kalsu and Ripcord a number of years ago. It stated the Kent State deaths/protests earlier that year had influenced military policy in Nam to no longer match force with force; insinuating that Kalsu and the other 101st troops were left to sink or swim, rather than to be reinforced.
I was about 20 miles away at the time in another 101st infantry company, and we heard rumors that Ripcord had been overrun, but were never sent to help.
We didn’t hear about Kent State until we got back to “the world,” but it probably impacted me in a diametrically opposite way than it did my brothers on Ripcord.
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Great article on a brave Oklahoman! He was inducted into the Oklahoma Military Hall of Fame in 2021. With his family present, the induction ceremony was held before the September 17 game at Robert Kalsu Field at his high alma mater, Del City High School.
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Thank you for this wonderful article and for remembering his sacrifice and service. James Robert “Bob” Kalsu is remembered on Panel 8W, Line 38 at the Vietnam Veterans Memorial in Washington DC. I am a volunteer at the Memorial and a Vietnam Veteran. I frequently have the opportunity to tell his remarkable story to sports fans especial those wearing the Buffalo Bill’s logo.
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Great article lost my best friend Thomas Pretter on 6/8/67 too many men died may they RIP I served in gulf of Tonkin 66 68/67 once again thanks for enlightened article
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Great article, I was there in ’68, RIP Hero.
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Memory eternal
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I was unaware until reading this of any NFL fatalities in Vietnam. Thank you for writing the story. I can completely relate to and agree with the very accurate commentary written by James Sheppard above. Thank you James.
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I was in the 105 unit (section chief gun #6) on the opposite end of Ripcord from Mr. Kalsu, who was with the 155 unit. Same hill, same battle. If you are interested, there is a FSB Ripcord survivors Association (Just Google FSB Ripcord and you will find us). The website will give you the complete story of this battle. Little reported, but long remembered by those of us who were there.
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So Sad so many strong young men avoided the draft rather than fight for their country…..Peter
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A lot of men; just plain men like your neighbors, or teens not long out of high school became remarkable men in Vietnam. Ordinary men became heroic men by simply strapping on heir web gear and shouldering their rifles to achieve whatever the mission of the day was. If you know a Vietnam vet, please give him your thanks. It was a shitty way to spend a year and many didn’t make it through a full tour. Some of those who did are still suffering.
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Those who weren’t there cannot imagine the courage displayed by the soldiers and Marines who strapped on their gear and shouldered their weapons and slipped out on patrols that could last for weeks. I WAS there, and I prayed that I would have the courage to do so if required.
I was what these magnificent “grunts” more or less”affectionately” called a REMF (Rear Echelon …). I was a Medical Lab Tech at a small Medical Clearing Station at Camp Evans, just a little South of the DMZ. Our unit – C Co. , 326th Medical Battalion, 101st Airborne Div., – received casualties from the field (by Dustoff helicopters), stabilized them and upgraded their care with doctors and medics who were amazing heroes in their own right, and triaged them for transport to the next higher levels of care.
As a lab tech there was little I could do to help with the treatment of casualties. I helped where I could – mostly distracting the patient by getting information for the medical card that would accompany him to his next destination, and by cleaning up between patients and when everything was over.
Occasionally I would help with Graves Registration , one of those highly undesirable jobs that had to be done.
The battle at Firebase Ripcord came about the middle of my tour. Our Company received a LOT of casualties during that siege – both wounded and KIAS. I was helping another soldier (can’t remember now if he was from my unit or on temporary assignment from Graves Registration). We were transferring KIAS from stretchers into body bags, along with all their possessions at the time they were killed. As we were trying to move a really big guy into a body bag the guy I was helping exclaimed “Hey, that’s Bob Kalsu!” ( I remember those words as if I were just now hearing them. I’ve forgotten so much after almost 52 years, but that’s such a clear memory.) At the time I wasn’t a fan of pro football and that didn’t mean much to me. Somehow those few minutes have stuck in my memory.
A lot of good men lost their lives in Vietnam. A lot of them aren’t dead yet. It can be debated whether or not the war was based on a lie, or if the loss of lives was worth it, or if America should have “interfered” in “Vietnam’s Civil War” but whatever else is said almost four million Americans – from career military adults to ordinary American teenagers who quickly became men – answered their country’s call to serve. Often it is said that those who died “sacrificed their lives” – but I don’t think that’s generally the case. Somewhere deep inside we asked ourselves “Is it worth the risk?” I’m sure most everyone who went figured they would make it back ok and the risk was worth it. I went knowing I COULD lose the gamble, but of course I never really figured I WOULD. Certainly there were many who willingly did sacrifice themselves to protect their comrades. Those men (there were no “boys” after a week in Vietnam) calculated in a split second that that exchange was worth their lives and they will ever deserve a special level of honor and respect. Paraphrasing a familiar meme: All gave some, some gave more than others, and some gave all. May God bless and care for each brother and sister who served!
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I’m a veteran of the ASHAU valley 1969 lz Currahee. I’ve heard of Ripcord but never new this battle was so long and hard. I appreciate the article very much and sad for the family. Never knew the football Ayer was involved. He gave his life for another country . This shows the goodness of the American people. A noble cause it was as stated by President Ronald REAGAN.
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Well written- I am a Nam vet.
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